. >>> president obama warned us about cyber attacks in the state of the union address. it's plagued social media companies for months and today it hit cupertino offices of apple. our business and tech reporter scott budman joins us this evening after speaking with security experts who are fighting back. scott? >> raj, they're fighting technology with technology, tracking hackers from china in what many in both our government and our private secotor are calling all-out war. after attacks on facebook, google, twitter, "the new york times," coca-cola, and even apple, america, it seems, is in the midst of a cyber war against china. >> this it does seem that these attacks and intrusions are more brazen. >> reporter: mike is a former cyber policy adviser at the defense department. he says our government is threatened along with our personal information and says while the hackers are smart, the bay area tech industry is smarter. >> i think ideally i would like to see the government hooking up with more silicon valley companies. >> reporter: and that's happening inside the secu